Chengdu Pujiang County Sewage Treatment Plant idamangidwa mchaka cha 2018, ndipo chomeracho chatengera njira yopangira ma oxidation apamwamba kwambiri.Mu dzenje la oxidation la chomeracho, chipewa choyambirira cha fulorosenti cha Hash II chotumizidwa kuchokera ku United States chidagwiritsidwa ntchito poyambirira.Komabe, zidapezeka pakuyerekeza kwenikweni komweko kuti zotsatira za kuyeza kwa mita yathu ya fluorescence yosungunuka mpweya ndizofanana ndi za Hash.Tsopano njira yathu ya fluorescence yosungunuka mita ya okosijeni yakhala ikugwiritsidwa ntchito bwino pazimbudzi.
